CN2698929Y - Bicycle theftproof lock - Google Patents
Bicycle theftproof lock Download PDFInfo
- Publication number
- CN2698929Y CN2698929Y CN 200420027229 CN200420027229U CN2698929Y CN 2698929 Y CN2698929 Y CN 2698929Y CN 200420027229 CN200420027229 CN 200420027229 CN 200420027229 U CN200420027229 U CN 200420027229U CN 2698929 Y CN2698929 Y CN 2698929Y
- Authority
- CN
- China
- Prior art keywords
- lock
- slide block
- lock core
- locking bar
- inner portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model provides an anti-theft lock of the bicycle, provided with a left lock shell and a right lock shell fixed with the bicycle frame of the bicycle. The inner portion of one lock shell is provided with a sliding block of a lock core which can slide and the inner portion of the other lock shell is provided with a sliding block which can slide of a lock rod. The inner portion of the sliding block of the lock core is provided with a clipping slot and a rotatable lock core with a key slot. The inner portion of the clipping slot is provided with a lock tongue connected with the lock core by a cam. The inner portion of the through hole on the middle portion of the sliding block of the lock rod is provided with one lock rod. The lock adopts a sliding blocks structure to provide protection for a locking mechanism. The sliding block can move with the lock rod to prevent the lock rod from being sheared apart. When the lock is tightly locked, all installed screws are covered in the inner portion and the disassembly can not be conducted without the damage of the sliding blocks. The lock is still difficult to be pushed away by the clipping spoke ribs of the sliding blocks after the lock shell is damaged. The sliding blocks and the lock shell can be formed by processing the cast blanks of cast iron. The process is simple, the cost is low and the hardness is high. The common thief does not adopt the knocking method to open the lock and thus high brittleness is not counted.
Description
Technical field
The utility model relates to a kind of bicycle lock, particularly a kind of anti-theft lock for bicycle.
Background technology
In the prior art, the mechanical lockset that bicycle or motorcycle are used, be provided with tapered end and lock ring, described tapered end is provided with tapered end, be provided with the rotatable lock core of band spoon groove in the tapered end, the locking mechanism locking that constitutes by round end pellet shot from a slingshot, tack pellet shot from a slingshot, marble spring between lock core and the tapered end, its lock ring is disconnected by pincers easily.Another kind of bicycle lock of pegging graft by locking bar, its weak point is: screw and lockhole are installed all are exposed, stolen by thief's sled easily, so its anti-theft effect is bad.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, has proposed the bicycle lock that a kind of pick-proof is stolen, and it has only by key just can open it after locking, has good antitheft effect.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of anti-theft lock for bicycle, be characterized in: it be provided with cycle frame fixing about two lock housings, that slides in lock housing therein is equipped with the lock core slide block, and the locking bar slide block of slip is housed in another lock housing; Be provided with the rotatable lock core and the draw-in groove of band spoon groove in the lock core slide block, be provided with the dead bolt that joins by cam and lock core in the draw-in groove, in the through hole at locking bar slide block middle part locking bar is housed.This lock adopts slide block structure to provide protection for retaining mechanism.This slide block can be advanced and retreat with locking bar, but protection lock bar is not disconnected by pincers, and when lockset is locked, entirely all installation screws are housed in inside, do not destroy slide block and just can't dismantle.This is locked in lock housing and still can relies on the clamping spoke of slide block after destroyed and be difficult to push away away.Slide block and lock housing process after can adopting the iron casting blank, and technology is simple, and cost is low, and hardness is higher.General robber could not adopt the method for pounding to unblank, so fragility is also harmless greatly a bit!
The technical problems to be solved in the utility model can also come further to realize by the following technical programs, in lock housing, be provided with two slide openings side by side, in two slide openings of one of them lock housing two lock core slide blocks are housed, two slide openings of corresponding another lock housing are equipped with two locking bar slide blocks; Lock housing middle part between two slide openings vertically has the semi-circular recesses that can cooperate inclination with vehicle frame.
The technical problems to be solved in the utility model can also come by the following technical programs further to realize that lock core slide block, locking bar slide block and lock housing are by the oat tail groove structure sliding connection.
The technical problems to be solved in the utility model can also come by the following technical programs further to realize that the side of lock core slide block also is provided with the alignment pin with the dead bolt interlock; Locking bar slide block and the lock housing that cooperates with it are provided with the locating hole of up/down perforation.
The technical problems to be solved in the utility model can also come further to realize by the following technical programs, has the spoke groove on the interface of locking bar slide block and lock core slide block, during locking in the spoke card entry slot.
The utility model compared with prior art adopts slide block structure to provide protection for retaining mechanism.This slide block can be advanced and retreat with locking bar, but protection lock bar is not disconnected by pincers, and when lockset is locked, entirely all installation screws are housed in inside, do not destroy slide block and just can't dismantle.The utility model is simple in structure, and is practical, good anti-theft effect.
Description of drawings
Fig. 1 is the utility model structural perspective.
Fig. 2 is that the A-A of Fig. 2 is to sectional view.
The specific embodiment
This lock is made of lock housing 1,7, lock core slide block 3, locking bar slide block 2, locking bar 9, common lock core 10, dead bolt, installation screw etc.Stamp two through holes on the support with bicycle during installation, available screw is fixed on lock housing 1,7 on the support by through hole.Pack in lock housing 7,1 lock core slide block 3, locking bar slide block 2 and locking bar 9, lock core 10 is used for locking.Lock core slide block 3, locking bar slide block 2 can slide in lock housing, and locking bar 9 is inserted by locking bar slide block 2 mesopores, drive slide block and block wheel and locked in the lock core 10 of another side.Installation screw after the locking all is housed in the slide block, makes the thief be difficult to sled and steals.
Lock housing 1,7 has two, about each one, be cuboid, each lock housing respectively has two square boxs as the slideway that slide block is installed, and also can adopt the oat tail groove structure sliding connection.The installed surface of lock housing vertically has the semi-circular recesses 6 of inclination in the middle towards wheel, can cooperate with vehicle frame.And on groove 6 and vehicle frame, be parallel to the wheel direction and be equipped with through hole, screw down, just can finish the installation of lock housing.On the lock housing 7 of the side that lock core 10 is arranged, also have lock core slide block locating hole, can make lock slide when unblanking, can not scurry into wheel.There is a side roof part of locking bar 9 to have an aperture 8, inserts anti-channeling with locking bar 9.
Lock core slide block 3 and locking bar slide block 2 are cuboid, can slide in lock housing 7,1, and one side is provided with pin or step in the outside of slide block, pull out slide block after can preventing to cut off spoke.Have stepped hole in the middle of the locking bar slide block 2, insert locking bar 9 lock cars.Through hole 8 is arranged at the top, aligns with aperture on the lock housing in the back of unblanking, but inserts just anti-channeling of locking bar 9.Have spoke groove 5 on the slide block locking face, during locking in the spoke card entry slot.The position that should note adjusting the spoke groove when mounted cooperates with spoke installs lock housing again.Lock core 10, dead bolt and alignment pin 4 are housed in the lock core slide block 3 in the opposite side lock housing 7.Dead bolt and alignment pin 4 were all opened when lock core 10 rotated; Dead bolt and alignment pin 4 are all locked during lock core 10 returns.
Locking bar 9 is a stock, and head has cannelure, after stretching into dead bolt, combine with dead bolt locked, unblanking the back from the lock housing upper hole, insert anti-channeling.
Lock core 10 adopts the common spring lock core, is installed in the lock core slide block 3.Lock core 10 rotating band moving cams are opened dead bolt and alignment pin 4; Dead bolt and alignment pin 4 are all locked during lock core 10 returns.
This lock is stolen difficulty because of sled, therefore need keep properly key.Tight during installation for guaranteeing that locking face cooperates, can train installation personnel in the point of sale.
Claims (5)
1. anti-theft lock for bicycle is characterized in that: it be provided with cycle frame fixing about two lock housings (1,7), that slides in the lock housing (7) therein is equipped with lock core slide block (3), that slides in another lock housing (1) is equipped with locking bar slide block (2); Be provided with the rotatable lock core (10) and the draw-in groove of band spoon groove in the lock core slide block (3), be provided with the dead bolt that joins by cam and lock core (10) in the draw-in groove, in the through hole at locking bar slide block (2) middle part locking bar (9) is housed.
2. anti-theft lock for bicycle according to claim 1, it is characterized in that: in lock housing (1,7), be provided with two slide openings side by side, in two slide openings of one of them lock housing (7) two lock core slide blocks (3) are housed, two slide openings of corresponding another lock housing (1) are equipped with two locking bar slide blocks (2); Lock housing middle part between two slide openings vertically has the semi-circular recesses (6) that can cooperate inclination with vehicle frame.
3. anti-theft lock for bicycle according to claim 1 is characterized in that: lock core slide block (3), locking bar slide block (2) pass through the oat tail groove structure sliding connection with lock housing (1,7).
4. anti-theft lock for bicycle according to claim 1 is characterized in that: the side of lock core slide block (3) also is provided with the alignment pin (4) with the dead bolt interlock; Locking bar slide block (2) and the lock housing (1) that cooperates with it are provided with the locating hole (8) of up/down perforation.
5. anti-theft lock for bicycle according to claim 1 is characterized in that: have spoke groove (5) on the interface of locking bar slide block (2) and lock core slide block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027229 CN2698929Y (en) | 2004-05-17 | 2004-05-17 | Bicycle theftproof lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027229 CN2698929Y (en) | 2004-05-17 | 2004-05-17 | Bicycle theftproof lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2698929Y true CN2698929Y (en) | 2005-05-11 |
Family
ID=34771582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420027229 Expired - Fee Related CN2698929Y (en) | 2004-05-17 | 2004-05-17 | Bicycle theftproof lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2698929Y (en) |
-
2004
- 2004-05-17 CN CN 200420027229 patent/CN2698929Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |